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Finding the Fourth Proportional to 7,163.56, 10,743.72 and 2,230.48

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Solution

The fourth proportional to 7,163.56, 10,743.72 and 2,230.48 is: 3,345.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.56 : 10,743.72 = 2,230.48 : x
  2. Step 2: Convert to fraction form
    7,163.56/10,743.72 = 2,230.48/x
  3. Step 3: Cross multiply
    7,163.56x = 10,743.72 × 2,230.48
  4. Step 4: Simplify right side
    7,163.56x = 23,963,652.59
  5. Step 5: Solve for x
    x = 23,963,652.59/7,163.56
  6. Step 6: Final answer
    x = 3,345.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.